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Axiom Exergy Energy Storage

 

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Axiom Exergy has completed the first installation of its thermal energy storage solution, the Refrigeration Battery at a Whole Foods Market store in Los Altos, California. The project successfully demonstrates the viability and potential of their energy storage solution by shifting up to 1040 kWh of electricity load at the facility for up to 10 hours a day over the course of several months. Without any changes to staff behavior or daily operations, the pilot demonstrated consistent, daily electricity load-shifting by offsetting electricity used by refrigeration compressors and condensers to off-peak times of day. Additionally, Whole Foods Market facility managers now receive real-time information about the system's performance via Axiom's integrated cloud monitoring platform including enterprise-level monitoring and analytics, historical data and real-time KPIs like kWh shifted, peak kW reduced, and battery charge level.

https://mma.prnewswire.com/media/493765/Axiom_Exergy_System_Integrator.jpg

"We are proud to be leading our industry by being the first to use such an innovative technology to shift our large refrigeration-based energy loads to off-peak hours," said Tristam Coffin, Director of Sustainability & Facilities at Whole Foods Market. "Whole Foods has a reputation for piloting and implementing sustainable solutions that also improve facility operations. This pilot is consistent with these efforts. We are excited to be part of Axiom's groundbreaking solution."

Refrigeration represents up to 55 percent of an average supermarket's electricity consumption. Research shows that by shifting electricity demand to off-peak hours, supermarket owners can take advantage of lower night-time rates to reduce a store's expensive on-peak electricity demand by up to 40 percent.

"The Refrigeration Battery is no longer a concept, it is a commercial reality," said Amrit Robbins, President and co-founder of Axiom Exergy. "We are gratified that Whole Foods Market is serving as an example of how to implement scalable and low-risk energy storage options. By deploying the Refrigeration Battery, businesses can convert power-hungry refrigeration systems into intelligent assets that can respond dynamically to the needs of the facility and the grid operator, taking into account energy prices, weather patterns, and grid programs like demand response."

The Refrigeration Battery was installed at the Los Altos Whole Foods Market as a passive retrofit without modification of the existing refrigeration system or reprogramming of controls. The Axiom System Integrator was sited in the facility's mechanical room adjacent to the compressor racks and the Thermal Storage Tanks were placed in the loading dock area behind the store.

By leveraging the store's existing refrigeration system, the Refrigeration Battery stores "cooling" at night by freezing tanks of salt water when energy costs are low. Then, when electricity prices peak during the afternoon, the Refrigeration Battery "discharges" like any other battery to provide uninterrupted cooling services. Axiom offers the Refrigeration Battery to its customers via a savings-as-a-service model, requiring no upfront capital or out of pocket expense for the life of the project; it is considered an energy service and off-balance sheet, enabling supermarket owners to reserve precious capital for revenue-generating investments. The technology has an estimated lifespan of 25 years.

"Given the unique shape of a supermarket's demand profile, which is relatively flat compared with other commercial buildings, Whole Foods Market needed a cost-effective energy storage solution capable of providing long-duration load shifting, as opposed to peak shaving typically provided by electrochemical systems," said Anthony Diamond co-founder and Chief Technical Officer of Axiom Exergy. "By demonstrating consistent, daily electricity load-shifting, the Whole Foods Market installation marks an industry-first and game-changer for facilities with large refrigeration-based energy loads."

This deployment of the first Refrigeration Battery comes of the heels of both Robbins and Diamond being named on the Forbes list of 30 under 30 for Energy, Walmart selecting the Refrigeration Battery energy storage solution for installation at a store in Escondido, and the securing a $5 million contract to install thermal batteries as a part of Con Edison's Neighborhood Program in New York.

ABOUT AXIOM EXERGYAxiom Exergy is an energy storage company focused on making the world's energy systems smarter and more efficient. Its Refrigeration Battery(R) technology transforms commercial and industrial refrigeration systems into large-scale, intelligent, cloud-connected energy storage assets. With deep expertise in supermarket energy management, thermal energy systems engineering, cloud software development, and product commercialization, Axiom Exergy provides its customers with turnkey power management solutions that reduce operational costs and business risk. Axiom Exergy also offers fully-financed "Storage-as-a-Service" so that supermarkets and commercial buildings with high refrigeration-based energy loads can save more than they pay from day one.

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